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Seagate ST960813AS Momentus 5400.3 SATA Product Manual - Page 12

Physical organization, Recording and interface technology, Physical characteristics

UPC - 683728078591

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2.4 Physical organization Drive model ST9160821AS ST9120822AS ST9100828AS ST980811AS ST960813AS ST940814AS Read/write heads 4 3 3 2 2 1 Number of discs 2 2 2 1 1 1 2.5 Recording and interface technology Interface Recording method Recording density BPI (bits/inch max) Track density TPI (tracks/inch max) Areal density (Gbits/inch2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Mbits/sec) I/O data-transfer rate (Mbytes/sec max) Interleave Cache buffer 2.6 Physical characteristics Drive specification Height (mm) (inches) Width (mm) (inches) Length (mm) (inches) Typical weight ST9160821AS ST9120822AS ST9100828AS ST980811AS ST960813AS ST940814AS 9.5 +/-0.2 0.374 +/-0.0078 69.85 +/-0.25 2.75 +/-0.0098 100.50 +/-0.25 3.957 +/-0.010 100 grams 0.22 pounds 96 grams 0.21 pounds Serial ATA (SATA) Perpendicular 870k 150k 132 5,400 352 150 1:1 8 Mbytes (8,192 kbytes) 6 Momentus 5400.3 SATA Product Manual, Rev. D

Section	Page
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Specification summary table	9
2.2 Formatted capacity	11
2.2.1 LBA mode	11
2.3 Default logical geometry	11
2.4 Physical organization	12
2.5 Recording and interface technology	12
2.6 Physical characteristics	12
2.7 Seek time	13
2.8 Start/stop times	13
2.9 Power specifications	14
2.9.1 Power consumption	14
2.9.1.1 Typical current profile	15
2.9.2 Deferred spinup	15
2.9.3 Conducted noise	15
2.9.4 Voltage tolerance	15
2.9.5 Power-management modes	16
2.10 Environmental specifications	16
2.10.1 Ambient temperature	16
2.10.2 Temperature gradient	17
2.10.3 Humidity	17
2.10.3.1 Relative humidity	17
2.10.3.2 Wet bulb temperature	17
2.10.4 Altitude	17
2.10.5 Shock	18
2.10.5.1 Operating shock	18
2.10.5.2 Nonoperating shock	18
2.10.6 Vibration	18
2.10.6.1 Operating vibration	18
2.10.6.2 Nonoperating vibration	18
2.11 Acoustics	19
2.12 Electromagnetic immunity	19
2.13 Reliability	20
2.14 Agency certification	20
2.14.1 Safety certification	20
2.14.2 Electromagnetic compatibility	20
2.14.3 FCC verification	21
2.15 Environmental protection	22
2.15.1 European Union Restriction of Hazardous Substances (RoHS)	22
2.16 Corrosive environment	22
3.0 Configuring and mounting the drive	23
3.1 Handling and static-discharge precautions	23
3.2 Configuring the drive	24
3.3 Serial ATA cables and connectors	24
3.4 Drive mounting	25
4.0 Serial ATA (SATA) interface	27
4.1 Hot-Plug compatibility	27
4.2 Serial ATA device plug connector pin definitions	27
4.3 Supported ATA commands	29
4.3.1 Identify Device command	32
4.3.2 Set Features command	35
4.3.3 S.M.A.R.T. commands	36